46 entries under original topic. ×

1
early(adjective, head, beginning, opening)
1
elementary(adjective, head, beginning, fresh)
1
fundamental(adjective, head, beginning, opening)
1
germinal(adjective, beginning, opening, fresh)
1
inceptive(adjective, head, beginning, fresh)
1
incipient(adjective, head, beginning, fresh)
1
infant(adjective, beginning, opening, primary)
1
introductory(adjective, head, beginning, fresh)
1
key(adjective, head, beginning, opening)
1
least(adjective, head, beginning, opening)
1
nascent(adjective, beginning, opening, fresh)
1
opening(adjective, head, beginning, prime)
1
primeval(adjective, head, beginning, opening)
1
primitive(adjective, head, beginning, opening)
1
primo(adjective, order, heavy, prime)
1
primogenial(adjective, head, beginning, fresh)
1
primordial(adjective, head, beginning, opening)
1
pristine(adjective, head, beginning, opening)
1
rudimentary(adjective, head, beginning, fresh)
1
slightest(adjective, head, beginning, opening)
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APASmart Define. (2015). headmost thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/headmost/thesaurus/synonyms
ChicagoSmart Define. 2015. "headmost thesaurus" https://smartdefine.org/headmost/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, headmost thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/headmost/thesaurus/synonyms>.
MLASmart Define. "headmost thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/headmost/thesaurus/synonyms>